Signature.java 文件源码

private static Signature createSignature(final Object input, final Type type, final Map<TypeVariable<?>, Type> typeArgs, final boolean isInput) {
    final Class clazz = getTypeClass(type, typeArgs);

    if (Tuple.class.isAssignableFrom(clazz)) {
        final TypeVariable[] tupleTypes = getTypeClass(type, typeArgs).getTypeParameters();
        final Map<TypeVariable<?>, Type> classTypeArgs = TypeUtils.getTypeArguments(type, clazz);
        Collection<? extends Type> types = TypeUtils.getTypeArguments(type, clazz).values();
        Class[] classes = new Class[types.size()];
        int i = 0;
        for (final TypeVariable tupleType : tupleTypes) {
            classes[i++] = getTypeClass(classTypeArgs.get(tupleType), typeArgs);
        }

        return new TupleSignature(input, clazz, classes, isInput);
    }

    return new SingletonSignature(input, clazz, isInput);
}